nav {

    padding-top: 10px;
    padding-bottom: 13px;
    display: flex;
    justify-content: center;
}


nav a:hover {
    color: #ffffff;
    background-color: #0B62C1;
}

nav div {
    BACKGROUND-COLOR: #ffffff;
    color: #222222;
    height: 40px;
    width: 112px;
    line-height: 40px;
}

nav a {
    color: #646465;
    text-decoration: none;
    display: block;
    width: 100%;
    height: 40px;
    line-height: 40px;
    text-align: center;
}

span.s10_1 {
    font-family: microsoft yahei;
    font-size: 16px;
    font-weight: normal;
    text-decoration: none;
}